NEW Tilt Trim MOTOR FITS Mercury Mariner Mercruiser 87828 88183A12, 891736T 17649, 17649A1, 17649T, 87828, 88183A12, 891736T 100% NEW and Made with the Highest Quality Components Available Full One Year Warranty Computer tested for consistent Quality and unsurpassed reliability Trim Motor - Voltage: 12V Rotation: Reversible Shaft Outside Diameter: 9.6 mm Shaft Specifications: 3.8 mm Drive Tang Source: Aftermarket